- Finding current android device location
- addToBackStack (FragmentTransaction)
- getSystemService (Context)
- getResourceAsStream (ClassLoader)
- Connection (java.sql)
A connection represents a link from a Java application to a database. All SQL
statements and results
- Arrays (java.util)
This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
- GregorianCalendar (java.util)
GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
- JarFile (java.util.jar)
JarFile is used to read jar entries and their associated data from jar files.
- Pattern (java.util.regex)
Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
- JOptionPane (javax.swing)
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